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Precision Plastic Enclosures

High-quality waterproof, industrial, and custom plastic enclosures manufactured in China. Trusted by engineers and OEMs worldwide.

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About China Enclosures

Ningbo Keao is a leading manufacturer and supplier of plastic enclosures based in China. With years of experience in precision molding and industrial design, we specialize in producing high-quality plastic enclosures for electronics, industrial control, network communication, and electrical junction applications.

We offer over 2,000 standard enclosure models and provide full customization services — from rapid prototyping to mold development and secondary processing. Our enclosures are used in computers, test equipment, medical devices, outdoor installations, and more.

2000+
Standard Models
15+
Years Experience
Waterproof Electronics Enclosure Wall-Mounting Waterproof Enclosure Low-Cost ABS Enclosure Custom Network Enclosure

Our Product Categories

From waterproof junction boxes to desktop and handheld enclosures, we offer a comprehensive range of plastic enclosures for every industrial and electronic application.

Waterproof Enclosure

IP65 rated, dust and water resistant for outdoor and harsh environments.

Desktop Enclosure

Ideal for lab equipment, control panels, and benchtop devices.

Hand-held Enclosure

Ergonomic designs for portable instruments and handheld electronics.

Network Enclosure

Secure housing for switches, routers, and communication modules.

Junction Box

Electrical connection enclosures with terminal blocks and wire management.

Door Control Enclosure

Designed for access control systems and security readers.

Industrial Control

Robust enclosures for PLCs, sensors, and automation systems.

Plastic Cabinet

Larger enclosures for equipment housing and panel mounting.

Featured Enclosures

Explore our most popular plastic enclosures with detailed specifications and IP ratings.

Waterproof Electronics Enclosure PWP630

Waterproof Electronics Enclosure PWP630

  • Material: ABS Plastic
  • Dimensions: 150 x 150 x 90 mm
  • Protection: IP65 Rated
  • Application: Outdoor Electronics, Sensors
Wall-Mounting Enclosure PWP225

Wall-Mounting Enclosure PWP225

  • Material: IP65 Plastic
  • Dimensions: 200 x 120 x 74 mm
  • Mounting: Surface Wall Mount
  • Use Case: Electrical Junction, Control Boxes
Low-Cost ABS Enclosure PWP003

Low-Cost ABS Enclosure PWP003

  • Material: ABS Plastic
  • Dimensions: 100 x 68 x 50 mm
  • Feature: Waterproof Junction Box
  • Ideal For: Budget Projects, DIY Electronics
Custom Network Enclosure PNC043

Custom Network Enclosure PNC043

  • Material: ABS Plastic
  • Dimensions: 180 x 120 x 45 mm
  • Design: Network Switch Housing
  • Customization: Available on Request
Die Cast Aluminum Enclosure

Die Cast Aluminum Enclosure

  • Material: Die-Cast Aluminum
  • Protection: Sealed & Durable
  • Use: Industrial, High-Heat Environments
  • Series: Over 139 Models Available

Electric Conjunction Enclosure PWK153

  • Dimensions: 400 x 350 x 120 mm
  • Type: Large Junction Housing
  • Application: Power Distribution, Terminal Blocks
  • Material: High-Impact Plastic

IP65 Waterproof Enclosure PWK148

  • Dimensions: 200 x 100 x 70 mm
  • Rating: IP65 Dust & Water Resistant
  • Use: Outdoor Electrical Installations
  • Model: Part of PWK Series

Hand-Held Enclosure PEC293

  • Dimensions: 178 x 95 x 35 mm
  • Type: Explosion-Proof Junction Box
  • Material: ABS Plastic
  • Ideal For: Hazardous Environments
View Full Product Catalog

Why Choose Us?

From rapid prototyping to full-scale manufacturing, we deliver quality, reliability, and customization for your enclosure needs.

Custom Design

Full customization from concept to production. We support 3D modeling, CAD, and rapid prototyping.

Mold Development

In-house mold design and manufacturing for fast turnaround and cost-effective mass production.

IP65 Rated

Waterproof, dustproof, and impact-resistant enclosures suitable for outdoor and industrial use.

Secondary Services

Silkscreen printing, CNC machining, assembly, and packaging — all under one roof.

2000+
Standard Models
134+
Waterproof Options
59+
Hand-Held Designs
105+
Network Enclosures

Frequently Asked Questions

What materials do you use for enclosures?

We primarily use high-impact ABS plastic for standard enclosures. For harsh environments, we offer polycarbonate, aluminum, and die-cast metal options.

Can you customize the size and color?

Yes. We offer full customization including dimensions, color (standard and RAL), cutouts, labeling, and internal structures.

What is the lead time for custom enclosures?

Typically 15–25 days after mold approval, depending on complexity. Prototypes can be delivered in 7–10 days.

Do you provide 3D models or drawings?

Yes. We provide STEP, IGES, and DWG files upon request for design validation and integration.

Are your enclosures RoHS compliant?

Yes. All our enclosures meet RoHS and REACH environmental standards.

Get in Touch

Ready to start your project? Contact us for quotes, samples, or technical support.

For inquiries, please visit the official website to submit your request. We respond to all messages within 24 hours.

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